| 摘要 |
PROBLEM TO BE SOLVED: To make easily increasable simultaneously executable information collection processing units, and to make improvable the collecting performance (the number of information collectable per time) at need. SOLUTION: Computers CA, CB, and CC are connected through a network 7 to plural WWW servers. When the information of an URL received from a URL list reading part 1A is not collected, information processing parts 2A1 and 2A2 in the computer CA acquires a WWW page from a WWW indicated by the URL, and holds it on a file system. An URL extracting part 3A extracts the URL from the file in which the WWW page is prepared, and searches the number of the collection processing part in charge of collection according to calculation from the WWW server name indicated by the URL, and outputs the extracted URL to directories corresponding to the respective computers CA, CB, and CC to which the collection processing parts in charge of the collection belong on a disk 6A, and informs the respective computers CA, CB, and CC of the URL.
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